body {
    background-color: #ddd;
    margin: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

div.header {
    position: sticky;
    background-color: white;
    display: flex;
    width: 100%;

    border-bottom: 1px solid #eee;
    top: 0;
    /* padding: 1.3rem 0; */
    line-height: 3rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

div.inner {
    width: 900px;
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    margin: 0 auto;
    justify-content: normal;
    flex-direction: column;
}

div.container.main {
    width: 100%;
    flex-grow: 1;
    background-color: #aaa;
    display: flex;
    flex-direction: column;
    flex: 1;
    height: auto;
}

div.wrapper {
    flex: 1;
    flex-grow: 1;
    flex-direction: column;
    display: flex;
}

div.footer {
    width: 100%;
    display: flex;
    background-color: #232323;
    color: white;
    line-height: 3rem;
}